315465921

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{28019}}^1$

素因数の和:28170

約数の個数: 20

約数和(自身を含む): 474658800

約数和(自身を除く): 159192879

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 28019, 84057, 252171, 756513, 2269539, 3894641, 11683923, 35051769, 105155307, 315465921]

約数ペア:

[(1, 315465921), (3, 105155307), (9, 35051769), (27, 11683923), (81, 3894641), (139, 2269539), (417, 756513), (1251, 252171), (3753, 84057), (11259, 28019)]